Re: SCSI trouble

<nobody@junk.min.net> wrote in message
news:3ef65ddd$1$nynaurff$mr2ice@news.md.comcast.giganews.com...
> I am having trouble with my SCSI tape drive. It's an Exabyte 8505 in
an
> external case. It wasn't working, so my friend brought over another
> today, and hooked it up. SCSI card couldn't find it (or the prior
one,
> when attached.) We switched power and scsi cables, slots, and even
tried
> a different SCSI card - no joy. The device wasn't found.
>
> Any idea what the problem is? The second drive worked at his place,
so we
> know it's okay, even if mine isn't.
>

Check power, SCSI ID and termination.
Power: is the LED on? Does it accept tapes?
SCSI ID: the drive has jumpers for selecting the ID. I usually choose 4
for tape drive (0,1 for HDDs, 2,3 for CDROMs, 5 for ZIP, 6 for scanner,
7 is the SCSI controller itself).
Termination: both ends of a SCSI chain need to be terminated. How many
devices have you got? Is it just the tape and the controller? If yes,
then the tape drive has 3 resistor packs next to the interface
connector. Are they there? Most SCSI controllers have auto termination
capability. Can you enter the SCSI BIOS and see the settings? With
Adaptec cards its ctlr-A, with Symbios its ctrl-F. The BIOS screen
should display the required key combo.